期刊
VECTOR-BORNE AND ZOONOTIC DISEASES
卷 11, 期 7, 页码 923-928出版社
MARY ANN LIEBERT, INC
DOI: 10.1089/vbz.2010.0199
关键词
Babesia divergens; Babesia microti; Babesia species; B. venatorum; Estonia; Ixodes persulcatus; Ixodes ricinus; Prevalence; Ticks
资金
- Estonian Science Foundation [ETF 6938]
- VISBY project [01347/2007]
- EU [Goce-2003-010284 EDEN]
The presence of Babesia spp. was studied in 2603 Ixodes ricinus and Ixodes persulcatus ticks collected at seven sites in Estonia. By reverse line blot screening, Babesia spp. was detected in 36 (1.4%) ticks, among them 18 (0.7%) were further recognized by a Babesia microti probe, 3 (0.1%) by a Babesia divergens probe, and the other 15 (0.6%) were recognized only by the universal Babesia spp. catch all probe. Sequence analyses of 6 of these 15 samples revealed that all of them belonged to Babesia sp. EU1. B. microti was detected in both tick species I. ricinus and I. persulcatus at the seven sites, whereas B. divergens-like and Babesia sp. EU1 were found only in I. persulcatus and I. ricinus, respectively. Genetic characterization based on partial 18S rRNA showed that the Estonian sequences of B. microti, B. divergens-like, and Babesia sp. EU1 share a high rate of similarity and are closely related to sequences from other European countries, Siberia, and United States. The present study demonstrated for the first time the existence and distribution of Babesia spp. in I. persulcatus and I. ricinus ticks in Estonia.
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